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基于零折射率超材料的高定向性微带天线
  • ISSN号：0258-7998
  • 期刊名称：《电子技术应用》
  • 时间：0
  • 分类：TN822.4[电子电信—信息与通信工程]
  • 作者机构：[1]西北工业大学应用物理系智能材料实验室,陕西西安710129
  • 相关基金：国家自然科学基金（50632030,50872113,50936002）
作者： 郭晓静[1], 赵晓鹏[1], 刘亚红[1], 朱卫仁[1]
关键词： 高定向性, 微带天线, 零折射率, high-directivity, microstrip antenna, zero-index metamaterial
中文摘要：

研究了一种基于平面网格状零折射率超材料的高定向性微带天线。利用超材料结构的平均效应实现了在10．24GHz处介电常数为零，进而实现了超材料的折射率为零。实验结果表明，利用零折射率超材料对波束产生汇聚作用，使微带天线的定向性明显增强，E面、H面半功率波束宽度分别收缩了56．67°和26．60°，侧向辐射明显减弱，天线的增益提高了3．80dB。

英文摘要：

We design, fabricate, and experimental demonstrate a high-directivity microstrip antenna based on planar net-shaped zero-index metamaterial. An averaging effect over the metamaterial structure yields an zero permittivity at 10.24 GHz, which results in a metamaterial with zero index of refraction. The experimental results indicated that, the directivity of the zero-index microstrip antenna improved greatly, the half-power beamwidths reduction of E plane and H plane are 56.67° and 26,60°, respectively. Moreover, the side radiation reduced while the forward radiation increased, and the gain of the antenna is enhanced by 3.80 dB.

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期刊信息
  • 《电子技术应用》
  • 中国科技核心期刊
  • 主管单位:中国电子信息产业集团有限公司
  • 主办单位:华北计算机系统工程研究所
  • 主编：杨晖
  • 地址：北京市海淀区清华路25号
  • 邮编：100083
  • 邮箱：xinzw@ncse.com.cn
  • 电话：010-66608981 66608982
  • 国际标准刊号：ISSN：0258-7998
  • 国内统一刊号：ISSN：11-2305/TN
  • 邮发代号:2-889
  • 获奖情况:
  • 国家期刊奖,中文核心期刊奖,中国科技期刊奖,电子精品科技期刊
  • 国内外数据库收录:
  • 日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:20858